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DS-C9148T-24EK9 – 48 ports – managed – rack-mountable
0/mo Solds
| Weight | 13.3 kg |
|---|---|
| Dimensions | 65 × 60 × 17 cm |
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DS-C9148T-24EK9 Description
Cisco DS-C9148T-24EK9 is the port-side exhaust airflow variant of the Cisco MDS 9148T 32-Gbps Fibre Channel switch. It provides 48 physical FC ports with 24 ports active at delivery and simple 8-port POD expansion to 48, delivering predictable low latency and line-rate forwarding for all-flash arrays, transactional databases, and dense virtualization clusters. The platform is NVMe/FC-ready, supports VSANs and Inter-VSAN Routing, and includes hardware-assisted SAN Analytics, slow-drain detection, and model-driven telemetry to accelerate troubleshooting and capacity planning. With redundant hot-swappable power supplies and fans plus resilient ISL port-channeling, DS-C9148T-24EK9 fits 1RU access/edge SAN designs that require exhaust airflow while preserving future scale and automation via Cisco NDFC/DCNM, REST/NX-API, Python, and Ansible.
Key Features
Right-sized 32G FC edge with room to grow
24 active ports on day one, expandable in 8-port steps to 48 to match host and array growth without hardware changes.
NVMe/FC adoption without disruption
Run SCSI/FCP today and transition to NVMe/FC on the same fabric, preserving zoning, policies, and operational runbooks.
Built-in analytics and faster operations
Hardware-assisted SAN Analytics, slow-drain detection, ISL/HBA diagnostics, and streaming telemetry reduce MTTR and support proactive capacity planning.
Enterprise-grade resilience
Redundant hot-swappable PSUs and fans plus ISL port-channels and consistent forwarding support 24×7 data-center operations.
Secure multi-tenant segmentation
VSANs, Smart/Auto Zoning, and IVR (license) provide isolation and granular QoS for mixed workloads or departments.
Data-center friendly airflow and footprint
Port-side exhaust variant aligns with hot/cold-aisle policy; compact 1RU chassis simplifies cable management and rack density.
Applications Scenarios
Deterministic 32G FC throughput for backup/replication windows, with analytics to validate headroom and isolate slow-drain endpoints.
Reliable, low-latency SAN for PoS databases, inventory systems, and overnight batch jobs, with VSAN-based isolation between departments or tenants.
Predictable performance for high-bitrate ingest and nearline storage; exhaust airflow matches front-to-back cooling in shared post-production racks.
Front View

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1 4958_a4b5cd-3a> |
Serial console port 4958_719434-0c> |
7 4958_5a32f7-11> |
Activity status LED 4958_3ce3bd-1b> |
|
2 4958_81fb65-a0> |
System status LED 4958_3832c3-a3> |
8 4958_98e6df-25> |
Ethernet management ports (2) 4958_394128-e8> |
|
3 4958_88e645-a6> |
Power status LED 4958_44eeb2-3f> |
9 4958_287a8f-e9> |
Fixed FC ports 4958_5441ba-f6> |
|
4 4958_248d06-16> |
Fan status LED 4958_c51f8a-7c> |
10 4958_26f224-e7> |
FC port status LEDs (48) 4958_e9dd08-7c> |
|
5 4958_cd1ff5-26> |
USB port 4958_f6b8e7-17> |
11 4958_e1fa46-18> |
Airflow grill 4958_1769a2-ee> |
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6 4958_35baf9-b2> |
Link status LED 4958_1fc0e3-0f> | 4958_8432e5-e2> | 4958_264344-31> |
Rear View
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1 4958_ca6a37-d9> |
Power supply failure status LED 4958_69f9ab-1f> |
6 4958_b9ed78-2a> |
Power supply status LED 4958_e172b1-82> |
|
2 4958_c74486-b2> |
Power supply unit fan 4958_e307fb-21> |
7 4958_35fcbe-71> |
Power supply units (2 units) 4958_42ffc7-71> |
|
3 4958_4c3532-f7> |
Power supply unit handle 4958_6bad20-89> |
8 4958_899633-44> |
Chassis fan modules (4 units) 4958_8bf5b2-7b> |
|
4 4958_1eb53a-a6> |
Unswitched power receptacle 4958_607f49-05> |
9 4958_8e51cd-7f> |
Chassis fan module release latches (8) 4958_907ecf-a9> |
|
5 4958_ae29df-8f> |
Power supply unit latch release 4958_d3e71f-83> | 4958_b3abfc-ab> | 4958_4f58e6-f2> |

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1 4958_e43665-1b> |
Power supply unit slot 1 4958_024695-80> |
4 4958_42b80b-49> |
Chassis fan module slot 3 4958_626a8f-9c> |
|
2 4958_63815b-bf> |
Chassis fan module slot 1 4958_6e09aa-3b> |
5 4958_6e4273-90> |
Chassis fan module slot 4 4958_e08c7f-9d> |
|
3 4958_e450be-d7> |
Chassis fan module slot 2 4958_346fc8-ed> |
6 4958_ab701a-ed> |
Power supply unit slot 2 4958_d89105-8c> |
Model Selection Guide – DS-C9148T-24EK9
Product Comparison
|
Parameter 4958_2d7cc1-c2> |
DS-C9148T-12PK9 4958_441ff1-16> |
DS-C9148T-24EK9 4958_b254d7-84> | 4958_5c35ad-11> |
|---|---|---|---|
|
Physical FC ports 4958_e4ef8e-3b> |
48 4958_38ae6e-6f> |
48 4958_91a5be-99> |
48 4958_05dfa1-f2> |
|
Base licensed ports 4958_450bb1-53> |
12 4958_c59734-11> |
24 4958_cb0638-63> |
48 4958_67a62a-a0> |
|
Port expansion 4958_687b40-91> |
+8 to max 48 4958_4d88b3-6d> |
+8 to max 48 4958_f0eb64-a3> |
N/A (max) 4958_3592e7-1f> |
|
Port speeds 4958_4b117d-19> |
4/8/16/32Gbps FC 4958_b99300-5b> |
4/8/16/32Gbps FC 4958_8c878f-94> |
4/8/16/32Gbps FC 4958_58b906-e3> |
|
Line-rate forwarding 4958_d6733a-78> |
On licensed ports 4958_a7a34c-20> |
On licensed ports 4958_8d29f3-c3> |
On all ports 4958_f93bd0-95> |
|
System bandwidth 4958_3ff6c4-35> |
Up to 1.536Tbps 4958_3338c2-f9> |
Up to 1.536Tbps 4958_dd9436-55> |
Up to 1.536Tbps 4958_f0db24-bc> |
|
NVMe/FC support 4958_c53610-41> |
Yes 4958_dfa22d-72> |
Yes 4958_b9a16b-9a> |
Yes 4958_42486a-58> |
|
SAN Analytics/telemetry 4958_66696a-41> |
Hardware-assisted 4958_9d3001-2b> |
Hardware-assisted 4958_779e0b-cd> |
Hardware-assisted 4958_9c6d91-b6> |
|
Redundant PSUs/fans 4958_5e92b7-d6> |
Yes 4958_22eb74-72> |
Yes 4958_3e9240-4e> |
Yes 4958_4d0048-11> |
|
Airflow option 4958_d63129-7a> |
Intake or exhaust SKUs 4958_a77269-84> |
Exhaust (this SKU) 4958_56f7cf-ef> |
Exhaust (this PET) 4958_71600e-5e> |
|
Form factor 4958_88f69a-fb> |
1RU 4958_ab59d6-77> |
1RU 4958_aef379-57> |
1RU 4958_ad5dac-bd> |
|
Typical use 4958_b04b7b-0a> |
Small/edge SAN start-small 4958_4ad3c3-d3> |
Mid-size edge with staged growth 4958_8a2d2e-a4> |
Full 48-port density day one 4958_d4c9b6-e8> |
Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Product model | DS-C9148T-24EK9 (MDS 9148T series) | Form factor | 1RU fixed FC switch |
| Physical FC ports | 48 x SFP+/SFP28 Fibre Channel | Base licensed ports | 24 active, scalable to 48 |
| Port speeds | Auto-sensing 4/8/16/32Gbps | Performance | Non-blocking, line-rate on licensed ports |
| Aggregate bandwidth | Up to 1.536Tbps | Latency | Low, cut-through switching |
| Expansion model | Port-On-Demand in 8-port steps | Port-channel | ISL PortChannels for resiliency |
| Protocols | FCP, NVMe/FC | Fabric services | VSANs, IVR (license), Smart/Auto Zoning, QoS |
| Analytics/telemetry | Hardware-based SAN Analytics; model-driven telemetry | Diagnostics | ISL/HBA diagnostics, slow-drain detection, SPAN/RSPAN |
| Management | NX-OS CLI/SSH, SNMP, REST/NX-API | Controller | Cisco NDFC/DCNM |
| High availability | Hot-swappable dual PSUs and fans | Airflow | Port-side exhaust (blue) variant |
| Power | AC PSU options; 1 required, 2 for redundancy | Cooling | Redundant hot-swappable fan modules |
| Security | RBAC, TACACS+/RADIUS/LDAP/AD, Secure boot | FC-SP | DH-CHAP; optional link encryption |
| Automation | REST/NX-API, Python/Ansible; POAP | Call Home | Integrated |
| Front I/O | 48 x FC ports; USB; serial console | Management ports | Ethernet management for OOB |
| LEDs | System, fan, PSU, link/activity | Interoperability | MDS 9000 family per compatibility matrix |
| Dimensions/weight | 1RU; per datasheet | Environmental | Per datasheet (operating temp/humidity) |
| Power/thermal | Per PSU/datasheet | Certifications | Safety/EMC/RoHS per Cisco |
| Transceivers | Cisco 32G/16G/8G FC optics supported | Accessories | Rail kit, regional power cords (optics ordered separately) |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
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What makes DS-C9148T-24EK9 attractive for departmental SANs prioritizing simplicity and predictable performance?
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How can I ensure we don’t create hotspots as we add hosts?
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Does 24EK9 support NVMe/FC when we’re ready?
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What’s the recommended optics plan?
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How should I document initial deployment?
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Any tips for firmware upgrades?
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How do I isolate host issues from switch problems?
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Can we separate dev/test from production without adding complexity?
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What about slow-drain detection?
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What spares should be on-hand?
Warranty
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Ambition requires resources. This switch handles our data. Trusted partner.
Base model with enterprise license. Good value for a small SAN.
Shipping to Hamburg was quick. No issues with customs.